What is snake covered in?

A snake is covered with scale because it is a reptile all reptile can and somtimes cannot be covered with scales 100 part of it's body is just scales and the other is flesh and snakes even have about 200 verterbrae

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.